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Submission #161216

# Submission time Handle Problem Language Result Execution time Memory
161216 2019-11-01T12:40:06 Z rama_pang Global Warming (CEOI18_glo) C++14
100 / 100
 85 ms 8824 KB 
#include <bits/stdc++.h>
using namespace std;
using lint = long long;
const lint INF = 1e15;

lint N, X;
lint A[200005];
lint lis[200005];
lint lds[200005];
lint anslis[200005];


lint LIS() {
    for (int i = 0; i <= N; i++) lis[i] = INF, lds[i] = -INF;
    lis[0] = -INF, lds[N] = INF;

    lint res = 0;

    for (lint i = 0; i < N; i++) {
        lint j = lower_bound(lis, lis + N + 1, A[i]) - lis;
        lis[j] = A[i], res = max(res, j);
        anslis[i] = j;
    }

    for (lint i = N - 1; i >= 0; i--) {
        lint j = upper_bound(lds, lds + N + 1, A[i] - X) - lds;
        res = max(res, anslis[i] + N - j);
        
        j = upper_bound(lds, lds + N + 1, A[i]) - lds - 1;
        lds[j] = A[i];
    }

    return res;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    cin >> N >> X;
    for (int i = 0; i < N; i++) cin >> A[i];

    lint ans = LIS();
    cout << ans << "\n"; 

}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 388 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 388 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 388 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 3 ms 396 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 7160 KB Output is correct
2 Correct 82 ms 7132 KB Output is correct
3 Correct 83 ms 7160 KB Output is correct
4 Correct 83 ms 7032 KB Output is correct
5 Correct 64 ms 7032 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 2424 KB Output is correct
2 Correct 25 ms 2424 KB Output is correct
3 Correct 21 ms 2424 KB Output is correct
4 Correct 17 ms 2168 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 18 ms 2200 KB Output is correct
7 Correct 18 ms 2424 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 3964 KB Output is correct
2 Correct 37 ms 3960 KB Output is correct
3 Correct 82 ms 7168 KB Output is correct
4 Correct 61 ms 7032 KB Output is correct
5 Correct 34 ms 4108 KB Output is correct
6 Correct 56 ms 7416 KB Output is correct
7 Correct 64 ms 8292 KB Output is correct
8 Correct 35 ms 4472 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 388 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 3 ms 396 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 85 ms 7160 KB Output is correct
28 Correct 82 ms 7132 KB Output is correct
29 Correct 83 ms 7160 KB Output is correct
30 Correct 83 ms 7032 KB Output is correct
31 Correct 64 ms 7032 KB Output is correct
32 Correct 20 ms 2424 KB Output is correct
33 Correct 25 ms 2424 KB Output is correct
34 Correct 21 ms 2424 KB Output is correct
35 Correct 17 ms 2168 KB Output is correct
36 Correct 2 ms 380 KB Output is correct
37 Correct 18 ms 2200 KB Output is correct
38 Correct 18 ms 2424 KB Output is correct
39 Correct 37 ms 3964 KB Output is correct
40 Correct 37 ms 3960 KB Output is correct
41 Correct 82 ms 7168 KB Output is correct
42 Correct 61 ms 7032 KB Output is correct
43 Correct 34 ms 4108 KB Output is correct
44 Correct 56 ms 7416 KB Output is correct
45 Correct 64 ms 8292 KB Output is correct
46 Correct 35 ms 4472 KB Output is correct
47 Correct 41 ms 4456 KB Output is correct
48 Correct 44 ms 4472 KB Output is correct
49 Correct 85 ms 8528 KB Output is correct
50 Correct 62 ms 7800 KB Output is correct
51 Correct 49 ms 5880 KB Output is correct
52 Correct 67 ms 7876 KB Output is correct
53 Correct 62 ms 7800 KB Output is correct
54 Correct 67 ms 8824 KB Output is correct
55 Correct 72 ms 8568 KB Output is correct